From: Jan Blunck Subject: kernel build time Date: Fri, 25 Jul 2008 18:23:14 +0200 Message-ID: <20080725162314.GC4944@T61.linuxsymposium.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: linux-ext4@vger.kernel.org Return-path: Received: from charybdis-ext.suse.de ([195.135.221.2]:42626 "EHLO emea5-mh.id5.novell.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751136AbYGYQXT (ORCPT ); Fri, 25 Jul 2008 12:23:19 -0400 Content-Disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: After Andreas talk yesterday I did some tests on my T61. This is not really a perfect benchmark setup but Andreas said I should send the data anyway. make clean (ext3) real 0m3.073s user 0m1.324s sys 0m1.444s make -j 4 (ext3) real 6m37.377s user 10m58.081s sys 1m38.890s make clean (ext4) real 0m6.443s user 0m1.712s sys 0m1.824s make -j 4 (ext4) real 6m42.694s user 10m59.593s sys 1m36.994s Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize Filesystem flags: signed_directory_hash test_filesystem That is with the patch queue from http://www.kernel.org/pub/linux/kernel/people/tytso/ext4-patches/2.6.26-ext4-1 on top of 2.6.26. Both ext3 and ext4dev are running on logical volumes (no barrier support). I used the latest e2fsprogs available. HTH, Jan